Da Windows a Linux senza ritorno
Fresco fresco (e molto di più, visto che abbiamo avuto 30cm di neve) dal LinuxDay del BLug il mio talk
in due gusti della frutta:
nmap 3.93 backport for Ubuntu Breezy
Nmap (”Network Mapper”) is a free open source utility for network exploration or security auditing. It was designed to rapidly scan large networks, although it works fine against single hosts.
Backports of nmap e nmapfe for Ubuntu Breezy here
Feedbacks are welcome
RootKitHunter for Sarge and Breezy
Rootkit scanner is scanning tool to ensure you for about 99.9%* you’re clean of nasty tools. This tool scans for rootkits, backdoors and local exploits by running tests like:
- MD5 hash compare
- Look for default files used by rootkits
- Wrong file permissions for binaries
- Look for suspected strings in LKM and KLD modules
- Look for hidden files
- Optional scan within plaintext and binary files
Rootkit Hunter is released as GPL licensed project and free for everyone to use.
* No, not really 99.9%.. It’s just another security layer
Packages for Debian Sarge here and for Ubuntu Breezy here
Feedback are welcome
Postfixadmin and dovecot
Uso da sempre l’ottimo Postfixadmin: ”
Postfix Admin is a Web Based Management tool created for Postfix.
It is a PHP based application that handles Postfix Style Virtual Domains and Users that are stored in MySQL.”
Sul sito troverete anche uno schematico ma molto chiaro HOWTO che illustra un setup basato su Postfix+MySQL+Courier
Usando Dovecot, circa un anno fa scrissi questo capitoletto che sostituisce il capitolo 10 dell’how-to (in pratica la configurazione di courier).
Mi son sempre scordato di metterlo da qualche parte 
Eccovelo come tardivo rimedio
10 Dovecot
10.1 Dovecot setup
dovecot.conf relevant part for postfixadmin setup
Please refer to Dovecot documentation for complete information.
default_mail_env = maildir:/usr/local/virtual/%u/
# auth_userdb specifies maildir location and user/group ID to use
auth_userdb = mysql /etc/dovecot/dovecot-mysql.conf
# auth_passdb specifies user passwords
auth_passdb = mysql /etc/dovecot/dovecot-mysql.conf
# Valid UID range for users, defaults to 500 and above.
first_valid_uid = 1001 # Change this to your postifx UID
1.2 Dovecot mysql setup
Below you’ll find the relevant part of dovecot-mysql.conf file regarding our setup
Things you may need to change are db_password, uid and gid
db_host = localhost
db_port = 3306
# Default sock for Debian sarge
db_unix_socket = /var/run/mysqld/mysqld.sock
db = postfix
db_user = postfix
db_passwd = postfix
db_client_flags = 0
# Default password scheme.
default_pass_scheme = PLAIN-MD5
# Query to retrieve password.
password_query = SELECT password FROM mailbox WHERE username = ‘%u’
# Query to retrieve user information.
user_query = SELECT maildir, 1001 AS uid, 1001 AS gid FROM mailbox WHERE username = ‘%u’
NB
The GID and UID are for postfix user and group ID, NOT MySQL user and group ID.
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